... , Paddle spacer ;Orifice plate; Pipe plate ,Bleed ring. standardAmerican standardANSIB16.5,B16.7,/API605,6A,6B/MSS SP44/AWWA C207GermanstandardDIN2630,2631 ... ;17-4PH/S1400/1.4548724L;316Lmod/1.4435;725LN/310MoLN 22.5 degree short radius ASTM A860 WPHY52 elbow